Fronius Primo 3.0-1 / 3.5-1 / 3.6-1 / 4.0-1 4.6-1 / 5.0-1 AUS / 5.0-1 5.0-1 SC / 6.0-1 / 8.2-1 Class 7 Error Code

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Fronius Class 7 State Error Codes

Fronius class 7 state errors are related to the control system, the configuration, and inverter data recording, and may directly or indirectly affect the process of feeding energy into the grid.

Code

Description

Behavior

Remedy

STATE 705Conflict when setting the inverter number (e.g. number already assigned)Correct the inverter number via the setup menu
STATE 721EEPROM has been reinitialized or EEPROM is faultyA warning message is shown on the displayAcknowledge STATE code; If the STATE code is displayed all the time contact your local Fronius Service Partner
STATE 731Initialization error – USB stick is not supportedCheck or replace the USB stick. Check the file system on the USB stick. If the STATE code is displayed all the time notify your local Fronius Service Partner.
STATE 732Overcurrent on a USB stick
STATE 733No USB stick connectedConnect or check the USB stick. If STATE code is displayed all the time contact your local Fronius Service Partner.
STATE 734Update file not recognized or not presentCheck update file (e.g. for the correct file name). If STATE code is displayed all the time contact your local Fronius Service Partner.
STATE 735Update file does not match the device, update file too oldA warning message appears on the display, the update process is interrupted.Update the inverter firmware with the latest firmware here; if the STATE code is displayed all the time after the firmware update contacts your local Fronius Service Partner. If STATE code is displayed all the time contact your local Fronius Service Partner.
STATE 736Write or read error occurredA warning message is shown on the displayCheck the USB stick and the data contained on it or replace USB stick.
Never unplug a USB stick if the ‘Data Transmission’ LED is still flashing or lit.
If the STATE code is displayed all the contact your local Fronius Service Partner.
STATE 738The log file cannot be saved (e.g. USB stick is write protected or full)tCreate storage space, remove the write protection, check or replace USB stick if necessary.
If STATE code is displayed all the time contact your local Fronius Service Partner.
STATE 743An error occurred during the update processRepeat the update process, check the USB stick. If STATE code is displayed all the time contact your local Fronius Service Partner.
STATE 745Update file corruptA warning message appears on the display, the update process is interrupted.Redownload the with the latest firmware here. If STATE code is displayed all the time contact your local Fronius Service Partner.
STATE 751Time lostA warning message is shown on the displayReset the time and date on the inverter. Check update file (e.g. for the correct file name). If STATE code is displayed all the time contact your local Fronius Service Partner.
STATE 752Real Time Clock module communication error
STATE 757Hardware error in the Real Time Clock moduleThe error message is shown on the display; the inverter is not feeding any energy into the grid.If STATE code is displayed all the time contact your local Fronius Service Partner.
STATE 758Internal error: Real Time Clock module is in emergency modeTime may be inaccurate or lost (feeding energy into the grid normal).
STATE 766Emergency power de-rating has been activatedThe error message is shown on the display.
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